December weather forecast
Miguel Couto, Brazil

The first month of the summer, December, is also a moderately hot month in Miguel Couto, Brazil, with temperature in the range of an average low of 21.3°C (70.3°F) and an average high of 29.3°C (84.7°F).

Temperature

The introduction of December notes a subtle temperature variation to a still warm 29.3°C (84.7°F) from November's 27.2°C (81°F). The average temperature during December nights is registered at a pleasant 21.3°C (70.3°F).

Heat index

During December, the heat index is calculated to be a very hot 36°C (96.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Miguel Couto, Brazil, the average relative humidity in December is 82%.

Rainfall

In December, the rain falls for 25.7 days. Throughout December, 134mm (5.28") of precipitation is accumulated. Throughout the year, there are 220.6 rainfall days, and 991mm (39.02") of precipitation is accumulated.

Daylight

The month with the longest days in Miguel Couto is December, with an average of 13h and 30min of daylight.
On the first day of the month, sunrise is at 05:00 and sunset at 18:25. On the last day of December, sunrise is at 05:11 and sunset at 18:42 -03.

Sunshine

In December, the average sunshine in Miguel Couto is 7.5h.

UV index

The month with the highest UV index is December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: During December, 7 as the daily maximum UV index converts into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.